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The following table shows retail sales in drug stores in billions of dollars in the U.S. for years since 1995. Year Retail Sales 0 3 6 9 220 210- 200- 190- 180- 170- 160- 150- 140- 130- 120- 110- 100 12 15 Let y be the retails sales in billions of dollars in a years since 1995. A linear model for the data is y 9.44x + 84.182. 90- 804 85.851 108.426 141.781 169.256 202.297 222.266 3 6 9 12 15 A) Use the above scatter plot to decide whether the line of best fit, fits the data well. The function is not a good model for the data The function is a good model for the data.

The following table shows retail sales in drug stores in billions of dollars in the U.S. for years since 1995. Year Retail Sales 0 3 6 9 220 210- 200- 190- 180- 170- 160- 150- 140- 130- 120- 110- 100 12 15 Let y be the retails sales in billions of dollars in a years since 1995. A linear model for the data is y 9.44x + 84.182. 90- 804 85.851 108.426 141.781 169.256 202.297 222.266 3 6 9 12 15 A) Use the above scatter plot to decide whether the line of best fit, fits the data well. The function is not a good model for the data The function is a good model for the data.

College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Polynomial Functions
Section3.5: Mathematical Modeling And Variation
Problem 1ECP: The ordered pairs below give the median sales prices y (in thousands of dollars) of new homes sold...
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The following table shows retail sales in drug stores in billions of dollars in the U.S. for years since 1995. Year Retail Sales 0 3 6 220- 210- 200 190- 180- 170- 160- 150- 140- 130- 120- 110 100- 90- 804 9 12 15 Let y be the retails sales in billions of dollars in x years since 1995. A linear model for the data is y = 9.44x + 84.182. 85.851 108.426 141.781 169.256 202.297 222.266 3 6 9 12 15 A) Use the above scatter plot to decide whether the line of best fit, fits the data well. The function is not a good model for the data The function is a good model for the data.
Transcribed Image Text:The following table shows retail sales in drug stores in billions of dollars in the U.S. for years since 1995. Year Retail Sales 0 3 6 220- 210- 200 190- 180- 170- 160- 150- 140- 130- 120- 110 100- 90- 804 9 12 15 Let y be the retails sales in billions of dollars in x years since 1995. A linear model for the data is y = 9.44x + 84.182. 85.851 108.426 141.781 169.256 202.297 222.266 3 6 9 12 15 A) Use the above scatter plot to decide whether the line of best fit, fits the data well. The function is not a good model for the data The function is a good model for the data.
B) To the nearest billion, estimate the retails sales in the U. S. in 2011. C) Use the equation to find the year in which retails sales will be $244 billion. billions of dollars.
Transcribed Image Text:B) To the nearest billion, estimate the retails sales in the U. S. in 2011. C) Use the equation to find the year in which retails sales will be $244 billion. billions of dollars.
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